Home / 6,768.05-9,339.09-3,742.76

Finding the Fourth Proportional to 6,768.05, 9,339.09 and 3,742.76

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Solution

The fourth proportional to 6,768.05, 9,339.09 and 3,742.76 is: 5,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.05 : 9,339.09 = 3,742.76 : x
  2. Step 2: Convert to fraction form
    6,768.05/9,339.09 = 3,742.76/x
  3. Step 3: Cross multiply
    6,768.05x = 9,339.09 × 3,742.76
  4. Step 4: Simplify right side
    6,768.05x = 34,953,972.49
  5. Step 5: Solve for x
    x = 34,953,972.49/6,768.05
  6. Step 6: Final answer
    x = 5,164.56

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.